Acta Neurochir (Wien)
Dr. James Patrick Klaas, MD
- Medicare services, 2024
- 134
- Medicare patients, 2024
- 115
- Part D claims, 2024
- 106
- Publications
- 88
- Hospital affiliations
- 1
- Practice address
- 200 First Street SW, Rochester, MN 55905
- Practice phone
- Call (507) 284-5968
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Mayo Clinic Breast Diagnostic Clinic
Mammography / Breast Imaging Center · Rochester, Minnesota
Find Dr. Klaas' professional email, personal email and mobile number
Dmand AI checks each channel through healthcare-specific waterfall enrichment. See what is on file with a free account, with practice phones, licenses and affiliations.
Dr. James Patrick Klaas is a neurologist in Rochester, Minnesota
Dr. Klaas practices at Mayo Clinic Breast Diagnostic Clinic in Rochester, Minnesota.
Dr. Klaas' NPI, 1861622375, was assigned on July 17, 2009. Dr. Klaas graduated from University Of Minnesota Medical School in 2009. Dr. Klaas' Minnesota license number on file is 53054.
- NPI
- 1861622375NPI Registry (opens in a new tab)
- Medicare PAC ID
- 0143414698
- NPI enumeration date
- July 17, 2009
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
- Practice phone
- (507) 284-5968
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 43
- Medical school graduation
- 2009
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. James Patrick Klaas practices at Mayo Clinic Breast Diagnostic Clinic in Rochester, Minnesota
Dr. Klaas' primary practice is Mayo Clinic Breast Diagnostic Clinic, at 200 First Street SW, Rochester, MN 55905. The practice phone is (507) 284-5968.
- Mayo Clinic Breast Diagnostic Clinic200 First Street SW, Rochester, MN 55905Phone(507) 284-5968
Source: Dmand AI Affiliation Data
Dr. James Patrick Klaas is affiliated with 4 sites of care and 4 medical groups
Dr. Klaas' primary practice is Mayo Clinic Breast Diagnostic Clinic in Rochester, Minnesota. Dr. Klaas is also affiliated with Mayo Clinic Hospital, Saint Marys Campus. The medical group on file is Mayo Clinic. Dmand AI also links Dr. Klaas to 3 more medical groups, 1 clinical lab and 1 hospice, each named with a free account. Dr. Klaas' employer is on file too: a breast imaging center.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. James Patrick Klaas' practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Klaas practices, 4 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Mayo Clinic Breast Diagnostic Clinic | Available with a free account |
| +3 more sites and 3 medical groups | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. James Patrick Klaas is one of 499 neurologists in Minnesota
Neurology is Dr. Klaas' primary specialty in the NPI Registry, under taxonomy code 2084N0400X. Dr. Klaas is board certified in neurology by the American Board of Psychiatry and Neurology. Dmand AI has Dr. Klaas' licenses on file in 11 states: Minnesota, Michigan, Arizona, Florida, Georgia, Pennsylvania, Iowa, North Dakota, Wisconsin, Missouri and South Carolina.
Specialties and state licenses
- Neurology, MinnesotaPrimary
- Michigan license
- Arizona license
- Florida license
- Georgia license
- Pennsylvania license
- Iowa license
- North Dakota license
- Wisconsin license
- Missouri license
- South Carolina license
Clinical focus
Dmand AI lists acute mini-stroke (TIA), cerebrovascular disease, neuropathy, parkinson's disease, seizures, stroke and thoracic spine disorders among the conditions Dr. Klaas treats.
Neurologists near Dr. Klaas
Counts of neurologists with a Dmand AI profile, by place and practice. Each opens the list.
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks
Dr. James Patrick Klaas billed Medicare for 134 services in 2024
CMS data shows 134 Medicare services from Dr. Klaas across 7 procedure codes in 2024, for 115 Medicare patients. Medicare paid $8,130 for them.
Dr. Klaas' Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 952024: 11117%
- Surgery
- 2023: 02024: 12
- Other services
- 2023: 172024: 1135%
Where Dr. Klaas' Medicare services took place, 2024
- In an office5037%
- In a facility8463%
Dr. Klaas compared with the Minnesota median for neurologists, 2024
- Dr. Klaas
- Minnesota median
- Medicare services
- 134vs 25347% below
- Medicare patients
- 115vs 15023% below
- Part D claims
- 42vs 12967% below
Medians across 462 neurologists in Minnesota with Dmand AI profiles that report each measure.
Dr. Klaas' most billed Medicare procedure codes, 2024
CMS publishes codes billed for 11 or more Medicare patients. Each label is the code family; CPT descriptions are licensed by the AMA.
Need commercial claims for Dr. Klaas?
Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Klaas and other neurologists in Minnesota.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. James Patrick Klaas treated 115 Medicare patients in 2024, average age 75
CMS counts 115 Medicare patients who saw Dr. Klaas in 2024. The largest group is 65 to 74, with 48 patients. 75% of them have high blood pressure, and 75% have high cholesterol. Their average risk score is 1.48, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. Klaas' median patient age at 72, with 52% women.
Dr. Klaas' Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Dr. Klaas' Medicare patients by sex, 2024
- Women5346%
- Men6254%
Chronic conditions among Dr. Klaas' Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Stroke or TIA63%
- Arthritis43%
- Ischemic heart disease36%
- Chronic kidney disease33%
- Cancer31%
- Anxiety27%
Share of Medicare patients with each condition. A patient can have several.
Dr. Klaas' patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 72
Patient panel by sex, all payers
- Women52%
- Men48%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. James Patrick Klaas wrote 106 Medicare Part D claims in 2024
In 2024, Dr. Klaas wrote 106 Medicare Part D claims for 26 patients. 80% of them were for generic drugs. CMS names the drug for 42 of them, across 3 drugs with 11 or more claims each, at $1,032 in total drug cost. In 2023, CMS named 44 claims across 3 drugs.
Dr. Klaas' Part D claims by kind of drug, 2024
- Generic85 claims80%
- Brand-name21 claims20%
Dr. Klaas' most prescribed drugs by claims, 2024
CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.
Part D claims for drugs CMS names, 2023 to 2024
- 2023
- 2024
- Claims for drugs CMS names
- 2023: 442024: 425%
Drugs named by CMS: 3 in 2024, 3 in 2023.
Sources: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026; and Medicare Part D Prescribers - by Provider (CMS), 2024 data
Dr. James Patrick Klaas offers telehealth to Medicare patients
Dr. Klaas accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Dr. Klaas as offering telehealth.
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
Source: Doctors and Clinicians National Downloadable File (CMS)
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Dr. James Patrick Klaas has 88 publications on record
Dmand AI links 88 papers to Dr. Klaas, published from 2013 to 2024. 2020 was the busiest year, with 9. The most frequent topics are Stroke, Magnetic Resonance Imaging and Moyamoya Disease. Dr. Klaas has published most often in J Stroke Cerebrovasc Dis. Dr. Klaas' most frequent co-authors are Giuseppe Lanzino, MD, Robert Duane Brown, MD and David B. Burkholder.
Dr. Klaas' papers by year, 2015 to 2024
Topics Dr. Klaas writes about most
- Stroke
- Magnetic Resonance Imaging
- Moyamoya Disease
- Cerebral Angiography
- Minnesota
- Brain Ischemia
- Carotid Artery Diseases
- Carotid Stenosis
Dr. Klaas' most frequent co-authors
- Giuseppe Lanzino, MD21 shared papers
- Robert Duane Brown, MD9 shared papers
- David B. Burkholder8 shared papers
Recent publications by Dr. Klaas
J Stroke Cerebrovasc Dis
J Am Heart Assoc
AJNR Am J Neuroradiol
See who Dr. Klaas researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Klaas works with, so you can find a warm path to the right neurologists.
Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage
Dr. James Patrick Klaas received $505 in industry payments from 2017 to 2024
CMS Open Payments shows 5 general payments to Dr. Klaas from 4 drug and device companies from 2017 to 2024. Food and beverage make up the largest share, 50% of the total. Stryker Corporation paid the most, $250.
General payments to Dr. Klaas by program year, 2017 to 2024
General payments to Dr. Klaas by kind, 2017 to 2024
- Food and beverage$25550%
- Speaker and faculty fees$25050%
Companies that paid Dr. Klaas the most, 2017 to 2024
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. James Patrick Klaas graduated from University Of Minnesota Medical School
Dr. Klaas graduated from University Of Minnesota Medical School in 2009.
- Medical school
- Board certified in neurology
Source: Dmand AI Professional Profile Data
Dr. James Patrick Klaas accepts plans from 16 insurance carriers
Dr. Klaas is in network with 16 carriers, including Aetna, Medica and United Healthcare. PPO plans come from the most carriers, 10. Check the plan with the practice before a visit.
- Aetna
- Medica
- United Healthcare
- Elevance
- Blue Cross Blue Shield of Michigan
- HCSC
- Humana
- Alliant Health Plans
- +8 more carriersWith a free account
Plan types Dr. Klaas accepts, by number of carriers
- PPO10
- HMO7
- Medicare5
- EPO4
- POS4
- Medicaid1
Source: Dmand AI Insurance Network Data
Sources for Dr. James Patrick Klaas's profile data
| Data on this page | Source |
|---|---|
| NPI, name, sex, specialty and licenses | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data |
| Practice locations and phone | Dmand AI Affiliation Data |
| Primary practice, affiliations and health system | Dmand AI Affiliation DataDmand AI Org Hierarchy Data |
| Medicare services and procedure codes | Medicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab) |
| State medians for the same specialty | Dmand AI Peer Benchmarks |
| Medicare patients and the all-payer patient panel | Dmand AI Patient Panel DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab) |
| Part D prescribing | Medicare Part D Prescribers - by Provider and Drug (CMS) (opens in a new tab)Medicare Part D Prescribers - by Provider (CMS) (opens in a new tab) |
| MIPS scores, telehealth, assignment and procedure percentiles | Doctors and Clinicians National Downloadable File (CMS) (opens in a new tab) |
| Publications, topics and co-authors | PubMed (National Library of Medicine) (opens in a new tab)Dmand AI Research Linkage |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| Training, board certification and memberships | Dmand AI Professional Profile Data |
| Insurance carriers and plan types | Dmand AI Insurance Network Data |
| EHR at each practice site | Dmand AI Technology Install Data |
| Similar physicians | Dmand AI Affiliation Data |
Data last refreshed October 2026Report an inaccuracyRemove my information
FAQ
Frequently asked questions about Dr. James Patrick Klaas
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Dr. James Patrick Klaas' NPI number?
Dr. James Patrick Klaas' NPI number is 1861622375. It was assigned on July 17, 2009, and it is active in the NPI Registry.
What kind of doctor is Dr. James Patrick Klaas?
Dr. James Patrick Klaas is a neurologist in Rochester, Minnesota. The primary specialty in the NPI Registry is Neurology Physician (taxonomy code 2084N0400X).
Where does Dr. James Patrick Klaas practice?
Dr. Klaas practices at 200 First Street SW, Rochester, MN 55905. Dr. Klaas' primary practice is Mayo Clinic Breast Diagnostic Clinic in Rochester, Minnesota. Dmand AI also links Dr. Klaas to 3 medical groups, 1 clinical lab and 1 hospice.
What is Dr. James Patrick Klaas' office phone number?
The practice phone on file for Dr. Klaas is (507) 284-5968.
What is Dr. James Patrick Klaas' medical license number?
Dr. Klaas' Minnesota license number on file is 53054, one of the licenses on file in 11 states.
Which states has Dr. James Patrick Klaas been licensed in?
Dmand AI has state licenses on file for Dr. Klaas in Minnesota (2010 to 2025), Michigan (2018 to 2028), Arizona (2012 to 2026), Florida (2017 to 2026), Georgia (2021 to 2026), Pennsylvania (2022 to 2026), Iowa (2014 to 2025), North Dakota (2019 to 2025), Wisconsin (2014 to 2025), Missouri (2017 to 2019) and South Carolina (2018 to 2019).
Which hospitals is Dr. James Patrick Klaas affiliated with?
Dr. Klaas is affiliated with Mayo Clinic Hospital, Saint Marys Campus.
What medical group is Dr. James Patrick Klaas part of?
Dr. Klaas is linked to Mayo Clinic. Dmand AI links Dr. Klaas to 3 more medical groups.
Does Dr. James Patrick Klaas accept Medicare?
Yes. CMS data shows Dr. Klaas billed Medicare for 134 services in 2024, and Dr. Klaas accepts Medicare assignment.
Does Dr. James Patrick Klaas offer telehealth?
Yes. The CMS Doctors and Clinicians file lists Dr. Klaas as offering telehealth services.
Show 10 more questionsShow fewer questions
How many Medicare patients does Dr. James Patrick Klaas see?
CMS counts 115 Medicare patients who saw Dr. Klaas in 2024, with an average age of 75.
Is Dr. James Patrick Klaas board certified?
Yes. Dr. Klaas is board certified in neurology by the American Board of Psychiatry and Neurology.
What services does Dr. James Patrick Klaas bill to Medicare?
In 2024, Dr. Klaas' most billed Medicare services were hospital inpatient care (99231), hospital inpatient care (99232) and office visit, established patient (99215).
Where did Dr. James Patrick Klaas go to medical school?
Dr. Klaas graduated from University Of Minnesota Medical School in 2009.
What drugs does Dr. James Patrick Klaas prescribe most?
In 2024 Medicare Part D data, Dr. Klaas' most prescribed drugs by claims were Clopidogrel, Donepezil HCl and Lacosamide.
Has Dr. James Patrick Klaas received payments from drug or device companies?
CMS Open Payments shows $505 in general payments to Dr. Klaas from 4 companies from 2017 to 2024. The largest total came from Stryker Corporation.
How long has Dr. James Patrick Klaas been practicing?
Dr. Klaas graduated from medical school in 2009, 17 years ago.
Does Dr. James Patrick Klaas do research?
Dmand AI links 88 publications to Dr. Klaas, published from 2013 to 2024.
Who does Dr. James Patrick Klaas publish with?
Dr. Klaas' most frequent co-authors are Giuseppe Lanzino, MD (21 shared papers), Robert Duane Brown, MD (9 shared papers) and David B. Burkholder (8 shared papers).
What insurance does Dr. James Patrick Klaas accept?
Dr. Klaas is in network with 16 carriers, including Aetna, Medica and United Healthcare. PPO plans come from the most carriers, 10. Check the plan with the practice before a visit.
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